CentOS 7使用yum安装Docker

安装依赖

# 配置阿里云源
# 备份
cp /etc/yum.repos.d/CentOS-Base.repo{,.bak'_'`date +%Y%m%d_%H%M%S`}
# 下载
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
# 生效测试
yum clean all
yum makecache

# 配置epel源
yum install -y epel-release
# 备份(如有配置其他epel源)
cp /etc/yum.repos.d/epel.rep{,.bak'_'`date +%Y%m%d_%H%M%S`}
cp /etc/yum.repos.d/epel-testing.repo{,.bak'_'`date +%Y%m%d_%H%M%S`}
# 下载新repo到/etc/yum.repos.d/
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
            

卸载旧依赖

yum remove docker 
docker-client 
docker-client-latest 
docker-common 
docker-latest 
docker-latest-logrotate 
docker-logrotate 
docker-selinux 
docker-engine-selinux 
docker-engine

安装Docker CE

# 设置存储库
yum install -y yum-utils 
device-mapper-persistent-data 
lvm2
yum-config-manager 
--add-repo 
http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum-config-manager --enable docker-ce-edge
# yum-config-manager --enable docker-ce-test
# yum-config-manager --disable docker-ce-edge
yum makecache fast
yum install -y docker-ce
# 安装指定版本
# yum install -y docker-ce-18.06.1.ce-3.el7

Docker阿里云镜像：https://mirrors.aliyun.com/docker-ce/linux/centos/

创建用户组

groupadd docker
usermod -aG docker root
usermod -aG docker www-data

设置启动项

systemctl enable docker
service docker start

全自动脚本：

https://github.com/easonjim/centos-shell/tree/master/docker